{% if page.categories != null %}
  <div class="banner">
    <div class="container">
        <span class='fa fa-folder-open'></span>
        <a href="{{ '/categories/' | prepend: site.baseurl }}#{{page.categories}}-ref">{{page.categories}}</a>
        &nbsp;&nbsp;
        <span class='fa fa-tags'></span> 
        {% for tag in page.tag  %}
          <a href="{{ '/tag/' | prepend: site.baseurl }}#{{page.tag}}-ref">{{tag}}</a>&nbsp;
        {% endfor %}
    </div>
  </div>
{% endif %}
